Can Inline CSS Handle Media Queries for Dynamic Image Loading?
Inline CSS @media Rules: A Feasible Approach?
In web development, dynamically loading banner images based on screen width is a common requirement. One potential solution is to utilize inline CSS @media rules to determine the screen width and display the appropriate image. However, the feasibility of this approach has raised questions.
Inline CSS Constraints
Unfortunately, inline CSS attributes are limited in their syntax and cannot accommodate @media at-rules or media queries. As per the CSS specification, the style attribute's value must conform to the syntax of CSS declaration block contents, which excludes these constructs.
Alternative Solutions
Therefore, the primary option for applying media-specific styles to a specific element is to define a отдельное правило in a stylesheet:
#myelement { background-image: url(particular_ad.png); } @media (max-width: 300px) { #myelement { background-image: url(particular_ad_small.png); } }
For cases where isolating the element using a selector is challenging, custom properties provide a viable solution, assuming support for variable assignment is not an issue:
:root { --particular-ad: url(particular_ad.png); } @media (max-width: 300px) { :root { --particular-ad: url(particular_ad_small.png); } }
<span>
The above is the detailed content of Can Inline CSS Handle Media Queries for Dynamic Image Loading?. For more information, please follow other related articles on the PHP Chinese website!

Hot AI Tools

Undresser.AI Undress
AI-powered app for creating realistic nude photos

AI Clothes Remover
Online AI tool for removing clothes from photos.

Undress AI Tool
Undress images for free

Clothoff.io
AI clothes remover

Video Face Swap
Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Article

Hot Tools

Notepad++7.3.1
Easy-to-use and free code editor

SublimeText3 Chinese version
Chinese version, very easy to use

Zend Studio 13.0.1
Powerful PHP integrated development environment

Dreamweaver CS6
Visual web development tools

SublimeText3 Mac version
God-level code editing software (SublimeText3)

Hot Topics

It's out! Congrats to the Vue team for getting it done, I know it was a massive effort and a long time coming. All new docs, as well.

I had someone write in with this very legit question. Lea just blogged about how you can get valid CSS properties themselves from the browser. That's like this.

I'd say "website" fits better than "mobile app" but I like this framing from Max Lynch:

The other day, I spotted this particularly lovely bit from Corey Ginnivan’s website where a collection of cards stack on top of one another as you scroll.

If we need to show documentation to the user directly in the WordPress editor, what is the best way to do it?

There are a number of these desktop apps where the goal is showing your site at different dimensions all at the same time. So you can, for example, be writing

Questions about purple slash areas in Flex layouts When using Flex layouts, you may encounter some confusing phenomena, such as in the developer tools (d...

CSS Grid is a collection of properties designed to make layout easier than it’s ever been. Like anything, there's a bit of a learning curve, but Grid is
